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livetrax/libs/glibmm2/glib/glibmm/signalproxy.h
Paul Davis 449aab3c46 rollback to 3428, before the mysterious removal of libs/* at 3431/3432
git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf
2008-06-02 21:41:35 +00:00

395 lines
16 KiB
C++

// -*- c++ -*-
/* This is a generated file, do not edit. Generated from signalproxy.h.m4 */
#ifndef _GLIBMM_SIGNALPROXY_H
#define _GLIBMM_SIGNALPROXY_H
extern "C"
{
typedef void (*GCallback) (void);
typedef struct _GObject GObject;
}
#include <sigc++/sigc++.h>
#include <glibmm/signalproxy_connectionnode.h>
namespace Glib
{
// Forward declarations
class ObjectBase;
#ifndef DOXYGEN_SHOULD_SKIP_THIS
struct SignalProxyInfo
{
const char* signal_name;
GCallback callback;
GCallback notify_callback;
};
#endif //DOXYGEN_SHOULD_SKIP_THIS
// This base class is used by SignalProxyNormal and SignalProxyProperty.
class SignalProxyBase
{
public:
SignalProxyBase(Glib::ObjectBase* obj);
#ifndef DOXYGEN_SHOULD_SKIP_THIS
static inline sigc::slot_base* data_to_slot(void* data)
{
SignalProxyConnectionNode *const pConnectionNode = static_cast<SignalProxyConnectionNode*>(data);
// Return 0 if the connection is blocked.
return (!pConnectionNode->slot_.blocked()) ? &pConnectionNode->slot_ : 0;
}
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
protected:
ObjectBase* obj_;
private:
SignalProxyBase& operator=(const SignalProxyBase&); // not implemented
};
// shared portion of a Signal
/** The SignalProxy provides an API similar to sigc::signal that can be used to
* connect sigc::slots to glib signals.
*
* This holds the name of the glib signal and the object
* which might emit it. Actually, proxies are controlled by
* the template derivatives, which serve as gatekeepers for the
* types allowed on a particular signal.
*
*/
class SignalProxyNormal : public SignalProxyBase
{
public:
~SignalProxyNormal();
/// stops the current signal emmision (not in libsigc++)
void emission_stop();
#ifndef DOXYGEN_SHOULD_SKIP_THIS
// This callback for SignalProxy0<void>
// is defined here to avoid code duplication.
static void slot0_void_callback(GObject*, void* data);
#endif
protected:
/** Create a proxy for a signal that can be emitted by @a obj.
* @param obj The object that can emit the signal.
* @param info Information about the signal, including its name, and the C callbacks that should be called by glib.
*/
SignalProxyNormal(Glib::ObjectBase* obj, const SignalProxyInfo* info);
/** Connects a signal to a generic signal handler. This is called by connect() in derived SignalProxy classes.
*
* @param slot The signal handler, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::slot_base& connect_(const sigc::slot_base& slot, bool after);
/** Connects a signal to a signal handler without a return value.
* This is called by connect() in derived SignalProxy classes.
*
* By default, the signal handler will be called before the default signal handler,
* in which case any return value would be replaced anyway by that of the later signal handler.
*
* @param slot The signal handler, which should have a void return type, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::slot_base& connect_notify_(const sigc::slot_base& slot, bool after);
private:
const SignalProxyInfo* info_;
//TODO: We could maybe replace both connect_ and connect_notify_ with this in future, because they don't do anything extra.
/** This is called by connect_ and connect_impl_.
*/
sigc::slot_base& connect_impl_(GCallback callback, const sigc::slot_base& slot, bool after);
// no copy assignment
SignalProxyNormal& operator=(const SignalProxyNormal&);
};
/**** Glib::SignalProxy0 ***************************************************/
/** Proxy for signals with 0 arguments.
* Use the connect() method, with sigc::mem_fun() or sigc::ptr_fun() to connect signals to signal handlers.
*/
template <class R>
class SignalProxy0 : public SignalProxyNormal
{
public:
typedef sigc::slot<R> SlotType;
typedef sigc::slot<void> VoidSlotType;
SignalProxy0(ObjectBase* obj, const SignalProxyInfo* info)
: SignalProxyNormal(obj, info) {}
/** Connects a signal to a signal handler.
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect(const SlotType& slot, bool after = true)
{ return sigc::connection(connect_(slot, after)); }
/** Connects a signal to a signal handler without a return value.
* By default, the signal handler will be called before the default signal handler,
* in which case any return value would be replaced anyway by that of the later signal handler.
*
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, which should have a void return type, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect_notify(const VoidSlotType& slot, bool after = false)
{ return sigc::connection(connect_notify_(slot, after)); }
};
/**** Glib::SignalProxy1 ***************************************************/
/** Proxy for signals with 1 arguments.
* Use the connect() method, with sigc::mem_fun() or sigc::ptr_fun() to connect signals to signal handlers.
*/
template <class R,class P1>
class SignalProxy1 : public SignalProxyNormal
{
public:
typedef sigc::slot<R,P1> SlotType;
typedef sigc::slot<void,P1> VoidSlotType;
SignalProxy1(ObjectBase* obj, const SignalProxyInfo* info)
: SignalProxyNormal(obj, info) {}
/** Connects a signal to a signal handler.
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect(const SlotType& slot, bool after = true)
{ return sigc::connection(connect_(slot, after)); }
/** Connects a signal to a signal handler without a return value.
* By default, the signal handler will be called before the default signal handler,
* in which case any return value would be replaced anyway by that of the later signal handler.
*
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, which should have a void return type, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect_notify(const VoidSlotType& slot, bool after = false)
{ return sigc::connection(connect_notify_(slot, after)); }
};
/**** Glib::SignalProxy2 ***************************************************/
/** Proxy for signals with 2 arguments.
* Use the connect() method, with sigc::mem_fun() or sigc::ptr_fun() to connect signals to signal handlers.
*/
template <class R,class P1,class P2>
class SignalProxy2 : public SignalProxyNormal
{
public:
typedef sigc::slot<R,P1,P2> SlotType;
typedef sigc::slot<void,P1,P2> VoidSlotType;
SignalProxy2(ObjectBase* obj, const SignalProxyInfo* info)
: SignalProxyNormal(obj, info) {}
/** Connects a signal to a signal handler.
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect(const SlotType& slot, bool after = true)
{ return sigc::connection(connect_(slot, after)); }
/** Connects a signal to a signal handler without a return value.
* By default, the signal handler will be called before the default signal handler,
* in which case any return value would be replaced anyway by that of the later signal handler.
*
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, which should have a void return type, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect_notify(const VoidSlotType& slot, bool after = false)
{ return sigc::connection(connect_notify_(slot, after)); }
};
/**** Glib::SignalProxy3 ***************************************************/
/** Proxy for signals with 3 arguments.
* Use the connect() method, with sigc::mem_fun() or sigc::ptr_fun() to connect signals to signal handlers.
*/
template <class R,class P1,class P2,class P3>
class SignalProxy3 : public SignalProxyNormal
{
public:
typedef sigc::slot<R,P1,P2,P3> SlotType;
typedef sigc::slot<void,P1,P2,P3> VoidSlotType;
SignalProxy3(ObjectBase* obj, const SignalProxyInfo* info)
: SignalProxyNormal(obj, info) {}
/** Connects a signal to a signal handler.
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect(const SlotType& slot, bool after = true)
{ return sigc::connection(connect_(slot, after)); }
/** Connects a signal to a signal handler without a return value.
* By default, the signal handler will be called before the default signal handler,
* in which case any return value would be replaced anyway by that of the later signal handler.
*
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, which should have a void return type, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect_notify(const VoidSlotType& slot, bool after = false)
{ return sigc::connection(connect_notify_(slot, after)); }
};
/**** Glib::SignalProxy4 ***************************************************/
/** Proxy for signals with 4 arguments.
* Use the connect() method, with sigc::mem_fun() or sigc::ptr_fun() to connect signals to signal handlers.
*/
template <class R,class P1,class P2,class P3,class P4>
class SignalProxy4 : public SignalProxyNormal
{
public:
typedef sigc::slot<R,P1,P2,P3,P4> SlotType;
typedef sigc::slot<void,P1,P2,P3,P4> VoidSlotType;
SignalProxy4(ObjectBase* obj, const SignalProxyInfo* info)
: SignalProxyNormal(obj, info) {}
/** Connects a signal to a signal handler.
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect(const SlotType& slot, bool after = true)
{ return sigc::connection(connect_(slot, after)); }
/** Connects a signal to a signal handler without a return value.
* By default, the signal handler will be called before the default signal handler,
* in which case any return value would be replaced anyway by that of the later signal handler.
*
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, which should have a void return type, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect_notify(const VoidSlotType& slot, bool after = false)
{ return sigc::connection(connect_notify_(slot, after)); }
};
/**** Glib::SignalProxy5 ***************************************************/
/** Proxy for signals with 5 arguments.
* Use the connect() method, with sigc::mem_fun() or sigc::ptr_fun() to connect signals to signal handlers.
*/
template <class R,class P1,class P2,class P3,class P4,class P5>
class SignalProxy5 : public SignalProxyNormal
{
public:
typedef sigc::slot<R,P1,P2,P3,P4,P5> SlotType;
typedef sigc::slot<void,P1,P2,P3,P4,P5> VoidSlotType;
SignalProxy5(ObjectBase* obj, const SignalProxyInfo* info)
: SignalProxyNormal(obj, info) {}
/** Connects a signal to a signal handler.
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect(const SlotType& slot, bool after = true)
{ return sigc::connection(connect_(slot, after)); }
/** Connects a signal to a signal handler without a return value.
* By default, the signal handler will be called before the default signal handler,
* in which case any return value would be replaced anyway by that of the later signal handler.
*
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, which should have a void return type, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect_notify(const VoidSlotType& slot, bool after = false)
{ return sigc::connection(connect_notify_(slot, after)); }
};
/**** Glib::SignalProxy6 ***************************************************/
/** Proxy for signals with 6 arguments.
* Use the connect() method, with sigc::mem_fun() or sigc::ptr_fun() to connect signals to signal handlers.
*/
template <class R,class P1,class P2,class P3,class P4,class P5,class P6>
class SignalProxy6 : public SignalProxyNormal
{
public:
typedef sigc::slot<R,P1,P2,P3,P4,P5,P6> SlotType;
typedef sigc::slot<void,P1,P2,P3,P4,P5,P6> VoidSlotType;
SignalProxy6(ObjectBase* obj, const SignalProxyInfo* info)
: SignalProxyNormal(obj, info) {}
/** Connects a signal to a signal handler.
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect(const SlotType& slot, bool after = true)
{ return sigc::connection(connect_(slot, after)); }
/** Connects a signal to a signal handler without a return value.
* By default, the signal handler will be called before the default signal handler,
* in which case any return value would be replaced anyway by that of the later signal handler.
*
* For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );
*
* @param slot The signal handler, which should have a void return type, usually created with sigc::mem_fun(), or sigc::ptr_fun().
* @param after Whether this signal handler should be called before or after the default signal handler.
*/
sigc::connection connect_notify(const VoidSlotType& slot, bool after = false)
{ return sigc::connection(connect_notify_(slot, after)); }
};
} // namespace Glib
#endif /* _GLIBMM_SIGNALPROXY_H */